ntp_request.h

网络时间协议NTP 源码 版本v4.2.0b 该源码用于linux平台下

/*
 * System info.  Mostly the sys.* variables, plus a few unique to
 * the implementation.
 */
struct info_sys {
	u_int32 peer;		/* system peer address (v4) */
	u_char peer_mode;	/* mode we are syncing to peer in */
	u_char leap;		/* system leap bits */
	u_char stratum;		/* our stratum */
	s_char precision;	/* local clock precision */
	s_fp rootdelay;		/* distance from sync source */
	u_fp rootdispersion;	/* dispersion from sync source */
	u_int32 refid;		/* reference ID of sync source */
	l_fp reftime;		/* system reference time */
	u_int32 poll;		/* system poll interval */
	u_char flags;		/* system flags */
	u_char unused1;		/* unused */
	u_char unused2;		/* unused */
	u_char unused3;		/* unused */
	s_fp bdelay;		/* default broadcast offset */
	s_fp frequency;		/* frequency residual (scaled ppm)  */
	l_fp authdelay;		/* default authentication delay */
	u_fp stability;		/* clock stability (scaled ppm) */
	u_int v6_flag;		/* is this v6 or not */
	u_int unused4;		/* unused, padding for peer6 */
	struct in6_addr peer6;	/* system peer address (v6) */
};


/*
 * System stats.  These are collected in the protocol module
 */
struct info_sys_stats {
	u_int32 timeup;		/* time since restart */
	u_int32 timereset;	/* time since reset */
	u_int32 denied;		/* access denied */
	u_int32 oldversionpkt;	/* recent version */
	u_int32 newversionpkt;	/* current version */
	u_int32 unknownversion;	/* bad version */
	u_int32 badlength;	/* bad length or format */
	u_int32 processed;	/* packets processed */
	u_int32 badauth;	/* bad authentication */
	u_int32 received;	/* packets received */
	u_int32 limitrejected;	/* rate exceeded */
};


/*
 * System stats - old version
 */
struct old_info_sys_stats {
	u_int32 timeup;		/* time since restart */
	u_int32 timereset;	/* time since reset */
	u_int32 denied;		/* access denied */
	u_int32 oldversionpkt;	/* recent version */
	u_int32 newversionpkt;	/* current version */
	u_int32 unknownversion;	/* bad version */
	u_int32 badlength;	/* bad length or format */
	u_int32 processed;	/* packets processed */
	u_int32 badauth;	/* bad authentication */
	u_int32 wanderhold;	/* (not used) */
};


/*
 * Peer memory statistics.  Collected in the peer module.
 */
struct info_mem_stats {
	u_int32 timereset;	/* time since reset */
	u_short totalpeermem;
	u_short freepeermem;
	u_int32 findpeer_calls;
	u_int32 allocations;
	u_int32 demobilizations;
	u_char hashcount[NTP_HASH_SIZE];
};


/*
 * I/O statistics.  Collected in the I/O module
 */
struct info_io_stats {
	u_int32 timereset;	/* time since reset */
	u_short totalrecvbufs;	/* total receive bufs */
	u_short freerecvbufs;	/* free buffers */
	u_short fullrecvbufs;	/* full buffers */
	u_short lowwater;	/* number of times we've added buffers */
	u_int32 dropped;	/* dropped packets */
	u_int32 ignored;	/* ignored packets */
	u_int32 received;	/* received packets */
	u_int32 sent;		/* packets sent */
	u_int32 notsent;	/* packets not sent */
	u_int32 interrupts;	/* interrupts we've handled */
	u_int32 int_received;	/* received by interrupt handler */
};


/*
 * Timer stats.  Guess where from.
 */
struct info_timer_stats {
	u_int32 timereset;	/* time since reset */
	u_int32 alarms;		/* alarms we've handled */
	u_int32 overflows;	/* timer overflows */
	u_int32 xmtcalls;	/* calls to xmit */
};


/*
 * Structure for passing peer configuration information
 */
struct old_conf_peer {
	u_int32 peeraddr;	/* address to poll */
	u_char hmode;		/* mode, either broadcast, active or client */
	u_char version;		/* version number to poll with */
	u_char minpoll;		/* min host poll interval */
	u_char maxpoll;		/* max host poll interval */
	u_char flags;		/* flags for this request */
	u_char ttl;		/* time to live (multicast) or refclock mode */
	u_short unused;		/* unused */
	keyid_t keyid;		/* key to use for this association */
};

struct conf_peer {
	u_int32 peeraddr;	/* address to poll */
	u_char hmode;		/* mode, either broadcast, active or client */
	u_char version;		/* version number to poll with */
	u_char minpoll;		/* min host poll interval */
	u_char maxpoll;		/* max host poll interval */
	u_char flags;		/* flags for this request */
	u_char ttl;		/* time to live (multicast) or refclock mode */
	u_short unused1;	/* unused */
	keyid_t keyid;		/* key to use for this association */
	char keystr[MAXFILENAME]; /* public key file name*/
	u_int v6_flag;		/* is this v6 or not */
	u_int unused2;			/* unused, padding for peeraddr6 */
	struct in6_addr peeraddr6;	/* ipv6 address to poll */
};

#define	CONF_FLAG_AUTHENABLE	0x01
#define CONF_FLAG_PREFER	0x02
#define CONF_FLAG_BURST		0x04
#define CONF_FLAG_IBURST	0x08
#define CONF_FLAG_NOSELECT	0x10
#define CONF_FLAG_SKEY		0x20

/*
 * Structure for passing peer deletion information.  Currently
 * we only pass the address and delete all configured peers with
 * this addess.
 */
struct conf_unpeer {
	u_int32 peeraddr;		/* address of peer */
	u_int v6_flag;			/* is this v6 or not */
	struct in6_addr peeraddr6;	/* address of peer (v6) */
};

/*
 * Structure for carrying system flags.
 */
struct conf_sys_flags {
	u_int32 flags;
};

/*
 * System flags we can set/clear
 */
#define	SYS_FLAG_BCLIENT	0x01
#define	SYS_FLAG_PPS		0x02
#define SYS_FLAG_NTP		0x04
#define SYS_FLAG_KERNEL		0x08
#define SYS_FLAG_MONITOR	0x10
#define SYS_FLAG_FILEGEN	0x20
#define SYS_FLAG_AUTH		0x40
#define SYS_FLAG_CAL		0x80

/*
 * Structure used for returning restrict entries
 */
struct info_restrict {
	u_int32 addr;		/* match address */
	u_int32 mask;		/* match mask */
	u_int32 count;		/* number of packets matched */
	u_short flags;		/* restrict flags */
	u_short mflags;		/* match flags */
	u_int v6_flag;		/* is this v6 or not */
	u_int unused1;		/* unused, padding for addr6 */
	struct in6_addr addr6;	/* match address (v6) */
	struct in6_addr mask6; 	/* match mask (v6) */
};


/*
 * Structure used for specifying restrict entries
 */
struct conf_restrict {
	u_int32	addr;		/* match address */
	u_int32 mask;		/* match mask */
	u_short flags;		/* restrict flags */
	u_short mflags;		/* match flags */
	u_int v6_flag;		/* is this v6 or not */
	struct in6_addr addr6; 	/* match address (v6) */
	struct in6_addr mask6; 	/* match mask (v6) */
};


/*
 * Structure used for returning monitor data
 */
struct info_monitor_1 {	
	u_int32 lasttime;	/* last packet from this host */
	u_int32 firsttime;	/* first time we received a packet */
	u_int32 lastdrop;        /* last time we rejected a packet due to client limitation policy */
	u_int32 count;		/* count of packets received */
	u_int32 addr;		/* host address V4 style */
	u_int32 daddr;		/* destination host address */
	u_int32 flags;		/* flags about destination */
	u_short port;		/* port number of last reception */
	u_char mode;		/* mode of last packet */
	u_char version;		/* version number of last packet */
	u_int v6_flag;		/* is this v6 or not */
	u_int unused1;		/* unused, padding for addr6 */
	struct in6_addr addr6;	/* host address V6 style */
	struct in6_addr daddr6;	/* host address V6 style */
};


/*
 * Structure used for returning monitor data
 */
struct info_monitor {	
	u_int32 lasttime;	/* last packet from this host */
	u_int32 firsttime;	/* first time we received a packet */
	u_int32 lastdrop;       /* last time we rejected a packet due to client limitation policy */
	u_int32 count;		/* count of packets received */
	u_int32 addr;		/* host address */
	u_short port;		/* port number of last reception */
	u_char mode;		/* mode of last packet */
	u_char version;		/* version number of last packet */
	u_int v6_flag;		/* is this v6 or not */
	u_int unused1;		/* unused, padding for addr6 */
	struct in6_addr addr6;	/* host v6 address */
};

/*
 * Structure used for returning monitor data (old format
 */
struct old_info_monitor {	
	u_int32 lasttime;	/* last packet from this host */
	u_int32 firsttime;	/* first time we received a packet */
	u_int32 count;		/* count of packets received */
	u_int32 addr;		/* host address */
	u_short port;		/* port number of last reception */
	u_char mode;		/* mode of last packet */
	u_char version;		/* version number of last packet */
	u_int v6_flag;		/* is this v6 or not */
	struct in6_addr addr6;	/* host address  (v6)*/
};

/*
 * Structure used for passing indication of flags to clear
 */
struct reset_flags {
	u_int32 flags;
};

#define	RESET_FLAG_ALLPEERS	0x01
#define	RESET_FLAG_IO		0x02
#define	RESET_FLAG_SYS		0x04
#define	RESET_FLAG_MEM		0x08
#define	RESET_FLAG_TIMER	0x10
#define	RESET_FLAG_AUTH		0x20
#define	RESET_FLAG_CTL		0x40

#define	RESET_ALLFLAGS \
	(RESET_FLAG_ALLPEERS|RESET_FLAG_IO|RESET_FLAG_SYS \
	|RESET_FLAG_MEM|RESET_FLAG_TIMER|RESET_FLAG_AUTH|RESET_FLAG_CTL)

/*
 * Structure used to return information concerning the authentication
 * module.
 */
struct info_auth {
	u_int32 timereset;	/* time counters were reset */
	u_int32 numkeys;	/* number of keys we know */
	u_int32 numfreekeys;	/* number of free keys */
	u_int32 keylookups;	/* calls to authhavekey() */
	u_int32 keynotfound;	/* requested key unknown */
	u_int32 encryptions;	/* number of encryptions */
	u_int32 decryptions;	/* number of decryptions */
	u_int32 expired;	/* number of expired keys */
	u_int32 keyuncached;	/* calls to encrypt/decrypt with uncached key */
};


/*
 * Structure used to pass trap information to the client
 */
struct info_trap {
	u_int32 local_address;	/* local interface addres (v4) */
	u_int32 trap_address;	/* remote client's addres (v4) */
	u_short trap_port;	/* remote port number */
	u_short sequence;	/* sequence number */
	u_int32 settime;	/* time trap last set */
	u_int32 origtime;	/* time trap originally set */
	u_int32 resets;		/* number of resets on this trap */
	u_int32 flags;		/* trap flags, as defined in ntp_control.h */
	u_int v6_flag;			/* is this v6 or not */
	struct in6_addr local_address6;	/* local interface address (v6) */
	struct in6_addr trap_address6;	/* remote client's address (v6) */
};

/*
 * Structure used to pass add/clear trap information to the client
 */
struct conf_trap {
	u_int32 local_address;	/* remote client's address */
	u_int32 trap_address;	/* local interface address */
	u_short trap_port;	/* remote client's port */
	u_short unused;		/* (unused) */
	u_int v6_flag;			/* is this v6 or not */
	struct in6_addr local_address6;	/* local interface address (v6) */
	struct in6_addr trap_address6;	/* remote client's address (v6) */
};


/*
 * Structure used to return statistics from the control module
 */
struct info_control {
	u_int32 ctltimereset;
	u_int32 numctlreq;	/* number of requests we've received */
	u_int32 numctlbadpkts;	/* number of bad control packets */
	u_int32 numctlresponses;	/* # resp packets sent */
	u_int32 numctlfrags;	/* # of fragments sent */
	u_int32 numctlerrors;	/* number of error responses sent */
	u_int32 numctltooshort;	/* number of too short input packets */
	u_int32 numctlinputresp;	/* number of responses on input */
	u_int32 numctlinputfrag;	/* number of fragments on input */
	u_int32 numctlinputerr;	/* # input pkts with err bit set */
	u_int32 numctlbadoffset;	/* # input pkts with nonzero offset */
	u_int32 numctlbadversion;	/* # input pkts with unknown version */
	u_int32 numctldatatooshort;	/* data too short for count */
	u_int32 numctlbadop;	/* bad op code found in packet */
	u_int32 numasyncmsgs;		/* # async messages we've sent */
};


/*
 * Structure used to return clock information
 */
struct info_clock {
	u_int32 clockadr;
	u_char type;
	u_char flags;
	u_char lastevent;
	u_char currentstatus;
	u_int32 polls;
	u_int32 noresponse;
	u_int32 badformat;
	u_int32 baddata;
	u_int32 timestarted;
	l_fp fudgetime1;
	l_fp fudgetime2;
	int32 fudgeval1;
	int32 fudgeval2;
};


/*
 * Structure used for setting clock fudge factors
 */
struct conf_fudge {
	u_int32 clockadr;
	u_int32 which;
	l_fp fudgetime;
	int32 fudgeval_flags;
};

#define	FUDGE_TIME1	1
#define	FUDGE_TIME2	2
#define	FUDGE_VAL1	3
#define	FUDGE_VAL2	4
#define	FUDGE_FLAGS	5


/*
 * Structure used for returning clock debugging info
 */
#define	NUMCBUGVALUES	16
#define	NUMCBUGTIMES	32

struct info_clkbug {
	u_int32 clockadr;
	u_char nvalues;
	u_char ntimes;
	u_short svalues;
	u_int32 stimes;
	u_int32 values[NUMCBUGVALUES];
	l_fp times[NUMCBUGTIMES];
};

/*
 * Structure used for returning kernel pll/PPS information
 */
struct info_kernel {
	int32 offset;
	int32 freq;
	int32 maxerror;
	int32 esterror;
	u_short status;
	u_short shift;
	int32 constant;
	int32 precision;
	int32 tolerance;

/*
 * Variables used only if PPS signal discipline is implemented
 */
	int32 ppsfreq;
	int32 jitter;
	int32 stabil;
	int32 jitcnt;
	int32 calcnt;
	int32 errcnt;
	int32 stbcnt;
};

/*
 * Info returned with IP -> hostname lookup
 */
/* 144 might need to become 32, matching data[] member of req_pkt */
#define NTP_MAXHOSTNAME (32 - sizeof(u_int32) - sizeof(u_short))
struct info_dns_assoc {
	u_int32 peeraddr;	/* peer address (HMS: being careful...) */
	associd_t associd;	/* association ID */
	char hostname[NTP_MAXHOSTNAME];	/* hostname */
};
#endif /* NTP_REQUEST_H */